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Updated: Apr 25, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
Published on: August 8, 2019
Health belief structural equation model predicting sleep behavior of employed college students
Adam P Knowlden1, Manoj Sharma
1Department of Health Science, University of Alabama, Tuscaloosa, Alabama (Dr Knowlden); and Health Promotion & Education Program, University of Cincinnati, Cincinnati, Ohio (Dr Sharma).
Abstract:
Adequate sleep comprising 7 to 8 hours per day is vital for health and effective functioning for all adults. The purpose of this study was to specify a health belief model to measure and predict the sleep behavior of employed college students. A 52-item instrument was developed with acceptable validity and reliability. A cross-sectional, convenience sample of 188 students was recruited for this study. Structural equation modeling was used to build models. The health belief model explained 34% of the variance in sleep behavior, with perceived severity, perceived barriers, cues to action, and self-efficacy identified as significant predictors.
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